Method getFilesToDelete

Lib/logging/handlers.py:386–422

Determine the files to delete when rolling over. More specific than the earlier method, which just used glob.glob().

(self)

        return False

    def getFilesToDelete(self):
        """
        Determine the files to delete when rolling over.

        More specific than the earlier method, which just used glob.glob().
        """
        dirName, baseName = os.path.split(self.baseFilename)
        fileNames = os.listdir(dirName)
        result = []
        if self.namer is None:
            prefix = baseName + '.'
            plen = len(prefix)
            for fileName in fileNames:
                if fileName[:plen] == prefix:
                    suffix = fileName[plen:]
                    if self.extMatch.fullmatch(suffix):
                        result.append(os.path.join(dirName, fileName))
        else:
            for fileName in fileNames:
                # Our files could be just about anything after custom naming,
                # but they should contain the datetime suffix.
                # Try to find the datetime suffix in the file name and verify
                # that the file name can be generated by this handler.
                m = self.extMatch.search(fileName)
                while m:
                    dfn = self.namer(self.baseFilename + "." + m[0])
                    if os.path.basename(dfn) == fileName:
                        result.append(os.path.join(dirName, fileName))
                        break
                    m = self.extMatch.search(fileName, m.start() + 1)

        if len(result) < self.backupCount:
            result = []
        else:
            result.sort()
            result = result[:len(result) - self.backupCount]
        return result

    def doRollover(self):
        """